Finding the Fourth Proportional to 19,584,657.20, 29,358,323.40 and 15,264,311.60
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Solution
The fourth proportional to 19,584,657.20, 29,358,323.40 and 15,264,311.60 is: 22,881,921.90
Step by Step Solution
- Step 1: Write the proportion equation
19,584,657.20 : 29,358,323.40 = 15,264,311.60 : x - Step 2: Convert to fraction form
19,584,657.20/29,358,323.40 = 15,264,311.60/x - Step 3: Cross multiply
19,584,657.20x = 29,358,323.40 × 15,264,311.60 - Step 4: Simplify right side
19,584,657.20x = 448,134,596,431,171.44 - Step 5: Solve for x
x = 448,134,596,431,171.44/19,584,657.20 - Step 6: Final answer
x = 22,881,921.90
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.